Effect of physical activity on functional performance and knee pain in patients with osteoarthritis : analysis with marginal structural models - Mansournia, Mohammad Ali; Danaei, Goodarz; Forouzanfar, Mohammad Hossein; Mahmoodi, Mahmood; Jamali, Mohsen; Mansournia, Nasrin; Mohammad, Kazem (Epidemiology (Cambridge, Mass.), 2012)
Keywords: Aged; Causality; Confounding Factors (Epidemiology); Exercise; Exercise Test; Female; Follow-Up Studies; Housekeeping; Humans; Leisure Activities; Male; Middle Aged; Models, Statistical; Osteoarthritis, Knee - physiopathology; Pain Measurement; Prospective Studies; Self Report; Treatment Outcome; Walking; Work